The site of the little-known Pennsylvania battle that sparked the Seven Years' War.

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

Nothing says indulgence like a 1,500-pound chocolate castle.

A retrofuturistic art installation in the Pittsburgh Airport.

A preserved 18th century homestead in Western Pennsylvania marks the spot where the Whiskey Rebellion began.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

Berkeley Springs State Park boasts the nation's only monument commemorating presidential bathing.

A giant time capsule not scheduled to be cored until 2040.

Just outside the Ohio Supreme Court sits a testament to justice.

There are more than 4 million bricks inside this unofficial Lego museum in a former middle school.

The largest piece of cut lead crystal adorned a grave for 75 years and is now the shining star of a glass museum.

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

A museum dedicated exclusively to aircraft used in the military.

Affectionately known as "Lord Bot," this historic statue has a cult social media following and rightly claims to be “the most metal inhabitant of the Wren Yard.”

America's first public mental health facility.

The largest clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.

There aren't too many operational funiculars around, but Pittsburgh has two!

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.